noun🔗Share악티늄족Any of the 14 radioactive elements of the periodic table that are positioned under the lanthanides, to which they have similar chemistry."My chemistry textbook explains that the actinides are a series of radioactive elements, including uranium and plutonium, located below the lanthanides on the periodic table. "내 화학 교과서는 악티늄족이 우라늄과 플루토늄을 포함하는 일련의 방사성 원소이며, 주기율표에서 란타넘족 아래에 위치한다고 설명한다.elementchemistryscienceChat with AIVocabulary GamePractice Reading
